Rebecca Stefoff

Describes the debate between the geocentric and heliocentric models of the solar system, with a discussion of the scientific method, which relies on observable phenomena and technologies such as the telescope.

Introduces the physical characteristics, habits, and natural habitat of the whale shark, as well as the dangers they face. Includes a glossary and a list of additional resources.

"In the summer of 1964, as the Civil Rights movement boiled over, the Student Nonviolent Coordinating Committee (SNCC) sent more than seven hundred college students to Mississippi to help black Americans already battling for democracy, their dignity and the right to vote. The campaign was called "Freedom Summer." But on the evening after volunteers arrived, three young civil rights workers went missing, presumed victims of the Ku Klux Klan. The disappearance...

"Explores the habitats, life cycles, and other characteristics of organisms in the Marsupial Order"--Provided by publisher.

Examines the physical characteristics, life cycle, and natural habitat of different species of penguins.

Examines the physical characteristics, life cycle, and natural habitat of different types of crabs.

"Explores the habitats, life cycles, and other characteristics of animals in the Amphibian class"--Provided by publisher.

"Explores the habitats, life cycles, and other characteristics of animals in the Fish classes"--Provided by publisher.

Discusses the evolution, biology, life cycle, and social and mating behavior of penguins.